Tricycle



FIG. 1 is a perspective view of the tricycle;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a left side view thereof; and,

FIG. 6 is a right side view thereof.

The portions of the tricycle shown in broken lines form no part of the claimed design. The portions of the article that are not shown in the drawings form no part of the claimed design. The broken lines in the center of the tires represent boundaries and form no part of the claimed design. 

The ornamental design for a tricycle, as shown and described. 